Fall Benchmark 2019 Game 1 Question Preview (ID: 49138)
Fall Benchmark Review.
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JJ is conduction an experiment. He combines two clear liquids and observed the temperature dropped. What is evidence that a chemical reaction occurred?
a) A light was produced
b) A red solid appeared
c) The temperature decreased after combining
d) The temperature increased after combining
Daniel and Konnor are playing tug of war. Daniel pulls to the left with 20 N of force and Konnor pulls to the right side with 24 N of force. What is the net force?
a) 4 N to the left
b) 10 N to the left
c) 4 N to the right
d) 10 N to the right
Which of the following does not show a chemical reaction taking place?
a) Light being produced
b) A precipitate is formed
c) Temperature decreasing
d) Substance dissolving
If a car continues moving at 20 mph but turns west, what happens to speed and velocity?
a) Speed stays the same and velocity changes
b) Speed changes and velocity stays the same
c) Both speed and velocity change
d) Neither speed or velocity change
What do Neon and Argon have in common?
a) Both react highly with other elements
b) Both have 8 neutrons
c) Both have 2 energy levels
d) Both generally do not react with other elements
What group is Nitrogen in?
a) 14
b) 15
c) 1
d) 2
What period is Sodium in?
a) 1
b) 2
c) 3
d) 4
Which two elements have similar chemical properties?
a) N and O
b) F and Cl
c) B and C
d) Li and Be
Which sets of elements have 5 valence electrons?
a) Carbon, Silicon, Germanium
b) Nitrogen, Phosphorus, Arsenic
c) Rubidium, Strontium, Yttirium
d) Beryllium, Magnesium, Calcium
Which correctly lists the particles for Berylliums?
a) 4 protons, 4 neutrons, 5 electron
b) 4 protons, 5 neutrons, 4 electrons
c) 5 protons, 5 neutrons, 5 electrons
d) 5 protons, 4 neutrons, 4 electrons
Which group would you place a very reactive metal?
a) 1
b) 2
c) 17
d) 18
Which group would you place a non-reactive gas?
a) 1
b) 2
c) 17
d) 18
Which of these determines how an atom reacts with another atom?
a) Total number of electrons
b) Number of protons and neutrons
c) Number of protons
d) Number of valence electrons
Which of these pairs have the same number of energy levels?
a) Oxygen and Sulfur
b) Silicon and Aluminum
c) Carbon and Silicon
d) Lithium and Sodium
Which of the following is the most important in identifying an atom?
a) Valence electrons
b) Protons
c) Electrons
d) Neutron
Which of the following determines an elements reactivity?
a) Valence electrons
b) Protons
c) Electrons
d) Neutron
Why are Boron and Aluminum in the same group on the periodic table?
a) Both are metalloids
b) Both have 3 protons
c) Both have 3 energy levels
d) Both have 3 valence electrons
If you want to find an element that is similar to Magnesium, what would you choose?
a) Na
b) Ca
c) Li
d) H
An atom has 17 protons, 18 neutrons, and 19 electrons. What atom is this?
a) F
b) Cl
c) Ar
d) K
Which of the following has the least amount of acceleration if all are being forced with 20 N of force?
a) Box with 7 kg of mass
b) Box with 3 kg of mass
c) Box with 10 kg of mass
d) Box with 1 kg of mass
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